DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=man169.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 05, 2026
Valid Until
May 06, 2026 89 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C6:AA:56:2D:8C:01:C6:B8:C6:6C:93:84:7F:E7:55:4D:58:4A:E1:AE:EB:E2:55:34:D4:C7:8A:5C:86:FC:5C:E5
Alternative Names
90 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add X-Content-Type-Options: nosniff
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

CAA Records (Certificate Authority Authorization)

CAA Records
Not Configured (Any CA can issue certificates)
CAA Issues
  • • No CAA records configured - any CA can issue certificates
Recommendations
  • • Implement CAA records to restrict which CAs can issue certificates for your domain
  • • This adds an extra layer of security against unauthorized certificate issuance
  • • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
  • • Consider adding 'iodef' record to receive security incident reports

Subject Alternative Names

90 domains
qixue.com *.qixue.com *.a.qixue.com *.portal.qixue.com

Other domains in certificate

acgcardservces.com *.acgcardservces.com
bellrichard.com *.bellrichard.com *.connect.bellrichard.com *.random.bellrichard.com *.rds.bellrichard.com *.remote2.bellrichard.com *.sitemaps.bellrichard.com *.www.bellrichard.com
bestgun.com *.bestgun.com *.vpn.bestgun.com
burrata.com *.burrata.com *.ww42.burrata.com
*.7yrnizim2u.calcass.com *.blog.calcass.com calcass.com *.calcass.com *.dev.calcass.com *.dl.calcass.com *.hostmaster.calcass.com *.jenkins.calcass.com
eprimers.org *.eprimers.org *.hercules.eprimers.org
*.78z68.istanbulejder7.xyz istanbulejder7.xyz *.istanbulejder7.xyz
*.acceptatie.kuolao.com *.access.kuolao.com *.app.kuolao.com *.apps.kuolao.com *.connect.kuolao.com *.gp.kuolao.com *.hostmaster.kuolao.com kuolao.com *.kuolao.com *.mail10.kuolao.com *.mails.kuolao.com *.mx4.kuolao.com *.ssl.kuolao.com *.vpnssl.kuolao.com *.ww1.kuolao.com
liberateyourmajesty.org *.liberateyourmajesty.org *.new.liberateyourmajesty.org
*.46640www.man169.com *.com169.man169.com *.forum.man169.com *.m.man169.com man169.com *.man169.com *.old.man169.com *.ww25.man169.com
*.cuvpn.maniga.it maniga.it *.maniga.it
*.fr.openleaks.com *.hr.openleaks.com *.jobs.openleaks.com openleaks.com *.openleaks.com *.ww41.openleaks.com
pincock.com *.pincock.com *.vpn1.pincock.com
*.ea80888d-66d1-455f-9d1d-48f15b7b7555.recruter.com *.hostmaster.recruter.com recruter.com *.recruter.com *.search.recruter.com *.sports.recruter.com *.staff.recruter.com *.staging.recruter.com *.ww1.recruter.com
*.mail.shereperllc.store shereperllc.store *.shereperllc.store *.sitemap.shereperllc.store *.ww25.shereperllc.store
*.sitemaps.youthpolitician.com *.ww12.youthpolitician.com youthpolitician.com *.youthpolitician.com